Java Code Examples for org.apache.hadoop.io.WritableFactories#newInstance()

The following examples show how to use org.apache.hadoop.io.WritableFactories#newInstance() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: HadoopInputSplit.java    From Flink-CEPplus with Apache License 2.0 6 votes vote down vote up
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
	// read the parent fields and the final fields
	in.defaultReadObject();

	// the job conf knows how to deserialize itself
	jobConf = new JobConf();
	jobConf.readFields(in);

	try {
		hadoopInputSplit = (org.apache.hadoop.mapred.InputSplit) WritableFactories.newInstance(splitType);
	}
	catch (Exception e) {
		throw new RuntimeException("Unable to instantiate Hadoop InputSplit", e);
	}

	if (hadoopInputSplit instanceof Configurable) {
		((Configurable) hadoopInputSplit).setConf(this.jobConf);
	}
	else if (hadoopInputSplit instanceof JobConfigurable) {
		((JobConfigurable) hadoopInputSplit).configure(this.jobConf);
	}
	hadoopInputSplit.readFields(in);
}
 
Example 2
Source File: HadoopInputSplit.java    From flink with Apache License 2.0 6 votes vote down vote up
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
	// read the parent fields and the final fields
	in.defaultReadObject();

	// the job conf knows how to deserialize itself
	jobConf = new JobConf();
	jobConf.readFields(in);

	try {
		hadoopInputSplit = (org.apache.hadoop.mapred.InputSplit) WritableFactories.newInstance(splitType);
	}
	catch (Exception e) {
		throw new RuntimeException("Unable to instantiate Hadoop InputSplit", e);
	}

	if (hadoopInputSplit instanceof Configurable) {
		((Configurable) hadoopInputSplit).setConf(this.jobConf);
	}
	else if (hadoopInputSplit instanceof JobConfigurable) {
		((JobConfigurable) hadoopInputSplit).configure(this.jobConf);
	}
	hadoopInputSplit.readFields(in);
}
 
Example 3
Source File: SpreadSheetCellDAO.java    From hadoopoffice with Apache License 2.0 6 votes vote down vote up
@Override
  public void readFields(DataInput dataInput) throws IOException {
    Text formattedValueText =  (Text) WritableFactories.newInstance(Text.class);
    formattedValueText.readFields(dataInput);
    this.formattedValue=formattedValueText.toString();
    Text commentText = (Text) WritableFactories.newInstance(Text.class);
    commentText.readFields(dataInput);
    this.comment=commentText.toString();
    Text formulaText = (Text) WritableFactories.newInstance(Text.class);
    formulaText.readFields(dataInput);
    this.formula=formulaText.toString();
    Text addressText = (Text) WritableFactories.newInstance(Text.class);
    addressText.readFields(dataInput);
    this.address=addressText.toString();
    Text sheetNameText = (Text) WritableFactories.newInstance(Text.class);
    sheetNameText.readFields(dataInput);
    this.sheetName=sheetNameText.toString();
}
 
Example 4
Source File: HadoopInputSplit.java    From flink with Apache License 2.0 6 votes vote down vote up
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
	// read the parent fields and the final fields
	in.defaultReadObject();

	try {
		hadoopInputSplit = (org.apache.hadoop.mapred.InputSplit) WritableFactories.newInstance(splitType);
	} catch (Exception e) {
		throw new RuntimeException("Unable to instantiate Hadoop InputSplit", e);
	}

	if (needsJobConf(hadoopInputSplit)) {
		// the job conf knows how to deserialize itself
		jobConf = new JobConf();
		jobConf.readFields(in);

		if (hadoopInputSplit instanceof Configurable) {
			((Configurable) hadoopInputSplit).setConf(this.jobConf);
		} else if (hadoopInputSplit instanceof JobConfigurable) {
			((JobConfigurable) hadoopInputSplit).configure(this.jobConf);
		}
	}

	hadoopInputSplit.readFields(in);
}
 
Example 5
Source File: HadoopInputSplitWrapper.java    From stratosphere with Apache License 2.0 6 votes vote down vote up
@Override
public void read(DataInput in) throws IOException {
	this.splitNumber=in.readInt();
	this.hadoopInputSplitTypeName = in.readUTF();
	if(hadoopInputSplit == null) {
		try {
			Class<? extends org.apache.hadoop.io.Writable> inputSplit = 
					Class.forName(hadoopInputSplitTypeName).asSubclass(org.apache.hadoop.io.Writable.class);
			this.hadoopInputSplit = (org.apache.hadoop.mapred.InputSplit) WritableFactories.newInstance( inputSplit );
		}
		catch (Exception e) {
			throw new RuntimeException("Unable to create InputSplit", e);
		}
	}
	this.hadoopInputSplit.readFields(in);
}
 
Example 6
Source File: HadoopInputSplit.java    From Flink-CEPplus with Apache License 2.0 5 votes vote down vote up
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
	// read the parent fields and the final fields
	in.defaultReadObject();

	try {
		Class<? extends Writable> writableSplit = splitType.asSubclass(Writable.class);
		mapreduceInputSplit = (org.apache.hadoop.mapreduce.InputSplit) WritableFactories.newInstance(writableSplit);
	}

	catch (Exception e) {
		throw new RuntimeException("Unable to instantiate the Hadoop InputSplit", e);
	}

	((Writable) mapreduceInputSplit).readFields(in);
}
 
Example 7
Source File: HadoopInputSplit.java    From flink with Apache License 2.0 5 votes vote down vote up
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
	// read the parent fields and the final fields
	in.defaultReadObject();

	try {
		Class<? extends Writable> writableSplit = splitType.asSubclass(Writable.class);
		mapreduceInputSplit = (org.apache.hadoop.mapreduce.InputSplit) WritableFactories.newInstance(writableSplit);
	}

	catch (Exception e) {
		throw new RuntimeException("Unable to instantiate the Hadoop InputSplit", e);
	}

	((Writable) mapreduceInputSplit).readFields(in);
}
 
Example 8
Source File: HadoopInputSplit.java    From flink with Apache License 2.0 5 votes vote down vote up
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
	// read the parent fields and the final fields
	in.defaultReadObject();

	try {
		Class<? extends Writable> writableSplit = splitType.asSubclass(Writable.class);
		mapreduceInputSplit = (org.apache.hadoop.mapreduce.InputSplit) WritableFactories.newInstance(writableSplit);
	}

	catch (Exception e) {
		throw new RuntimeException("Unable to instantiate the Hadoop InputSplit", e);
	}

	((Writable) mapreduceInputSplit).readFields(in);
}
 
Example 9
Source File: FileReducerViolationBean.java    From jumbune with GNU Lesser General Public License v3.0 5 votes vote down vote up
public void readFields(DataInput in) throws IOException {
	fileViolation.clear();
	int entries = in.readInt();
	for(int i=0;i<entries;i++){
		 Writable key = WritableFactories.newInstance(Text.class);
		 key.readFields(in);
		 Writable value = WritableFactories.newInstance(TotalReducerViolationBean.class);
		 value.readFields(in);
		 fileViolation.put(key, value);		
	}
	count.readFields(in);
	
}
 
Example 10
Source File: JsonLineViolationBean.java    From jumbune with GNU Lesser General Public License v3.0 5 votes vote down vote up
public void readFields(DataInput in) throws IOException {
	lineNumber.readFields(in);
	int listSize = in.readInt();
	for(int i =0; i <listSize ; i++){
		Writable value = WritableFactories.newInstance(JsonKeyViolationBean.class);
		value.readFields(in);
		jsonKeyViolationList.add((JsonKeyViolationBean) value);
	}
	
}